Reginald Wallace

ok can you make a junk file with a 3d  box and do the same work flow with a couple fake levels and do what is giving you problems then upload that .. its not real data its dummy data not working files but we can see the work flow and what is happening…

In the scenario you describe, I am seeing the same results that my colleague Carl is... the "not found" reference instance detaches with no issue. So, there may be something else involved. Is this reproducible every time for you, would it be possible…

Eddie,

You may also what to check out the Help in MicroStation.  There is a section in there that is speicifically for users migrating or moving to MicroStation.  " MicroStation for AutoCAD users"  Go to Help > Contents > Setting Up Projects> Using…